.popup {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background-color: rgba(0, 0, 0, .2);
    z-index: 99;
    .popup_content {
        position: absolute;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
        width: 80%;
        z-index: 199;
        background-color: #fff;
        border-radius: 10rpx;
        opacity: 0%;
        /* box-shadow: 0rpx 0rpx 10rpx 5rpx rgba(0, 0, 0, .3); */
    }
}